Email List Validator (syntax, domain, MX, disposable)

Clean an email list before you send. Every address gets a status (valid, risky, invalid or unknown), a plain reason, and each check behind it: syntax, whether the domain exists and accepts mail (MX records), disposable domains, role addresses like info@, free providers, and typo suggestions such as gmial.com to gmail.com.

Price: US$0.0003 per email, plus a US$0.001 run fee. 10,000 emails cost US$3.001. Emails whose domain's DNS does not answer are marked "unknown" and not charged.

What people use it for

• Pre-clean before an SMTP verifier: drop dead domains, typos and throwaway addresses first, so you pay a full verifier only for the rest.
• Sign-up form audits: find disposable and mistyped addresses in your user list.
• CRM hygiene: flag role addresses and domains that no longer accept mail.
• Lead list checks: reject lists with too many dead domains before you import them.

What it checks, and what it does not

• Checks: address syntax (RFC 5321/5322 rules in practice), domain exists, domain accepts mail (MX, or the A record fallback; RFC 7505 "null MX" counts as no mail), disposable domain list (about 10,000 domains), role address, free provider, common typos.
• Does not check whether a mailbox exists. That needs an SMTP connection on port 25, which Apify blocks for Actors. Use this Actor as the cheap first pass.

Privacy

• Addresses are processed in memory for your run only and written only to your own run's dataset.
• Nothing is kept by the developer after the run. Addresses are never written to the run log, which shows counts only.
• No email is sent to any address, and no third-party verification service is called. The only outside lookups are DNS queries for each domain.

Input

• emails: list of addresses, up to 100,000 per run. Text with commas or new lines also works.
• removeDuplicates (default true): check each address once.

Example output

Real output from the sample input (30 Oct 2026).

email	status	reason	didYouMean
support@github.com	risky	Role address (shared inbox such as info@ or support@).
jane.doe@gmial.com	risky	Looks like a typo of a common provider.	jane.doe@gmail.com
test@mailinator.com	risky	Disposable (throwaway) email domain.
someone@no-such-domain-zz9.com	invalid	Domain does not exist.
not-an-email	invalid	Syntax: not a single address with one @.

One full item:

{
  "email": "jane.doe@gmial.com",
  "status": "risky",
  "reason": "Looks like a typo of a common provider.",
  "normalizedEmail": "jane.doe@gmial.com",
  "domain": "gmial.com",
  "syntaxValid": true,
  "domainExists": true,
  "acceptsMail": true,
  "mxHosts": [
    "gmial.com"
  ],
  "isDisposable": true,
  "isRoleAccount": false,
  "isFreeProvider": false,
  "didYouMean": "jane.doe@gmail.com",
  "checkedAt": "2026-10-30T17:09:34+00:00"
}

Status meanings

• valid: syntax is fine and the domain accepts mail; not disposable, not a role address, no typo found.
• risky: deliverable domain, but disposable, a likely typo, or a role address.
• invalid: bad syntax, the domain does not exist, or it accepts no mail.
• unknown: the domain's DNS did not answer in time. Not charged; run these again later.

Limits

• 100,000 emails per run. Split bigger lists across runs.
• Free Apify plan: 100 emails per run.
• One DNS lookup per domain, 50 at a time; a list of 10,000 emails usually finishes in a few minutes.

FAQ

Is "valid" a guarantee that the email will not bounce? No. It means the domain accepts mail. A mailbox can still be closed or full.

Why is my company's support@ address "risky"? Role addresses are shared inboxes. Many email platforms treat them as a higher complaint risk for marketing mail.

Can an AI agent call it? Yes. Compact JSON with stable field names and pay-per-event pricing.

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